PVS and KSPV cables: technical characteristics, marking and its interpretation, scope of application of wires

What is KSPV cable

The KSPV cable is a signal wire that is used to carry out fixed internal installation during connection of the alarm system, communication and network communication. It has a marking that indicates: cable, intended purpose - signal transmission system, polyvinyl chloride sheath. May have an additional abbreviation, four cores and a millimeter conductor diameter.

KSPV cable

Note! Indispensable during the installation of fire and security alarms and information processing systems. This is a budget option for organizing a network connection. Used indoors and outdoors, but not laid where the wire is not protected from direct sunlight.

There are aluminum and copper core cables, single-wire and multi-wire conductors, wires with a polyethylene inner sheath, KSPV with shielding and an anti-feather component in the insulating layer, which prevents the combustion process.

Decoding

The multi-wire modification comes with an additional letter G (KSPVG). This symbol means conductive flexibility and increased deformation resistance. This option can be placed on a route where the bend radius is smaller according to the standards.

Decoding

The KSPV cable received the following abbreviation:

• K – cable.
• SP – designed for transmission systems.
• B – has a vinyl shell.

The cable is actively used during the installation of fire and security alarms. Its popularity is due to its fairly low price and acceptable characteristics.

Let's pay attention! The KSPV cable is an analogue of JY (St) Y Lg and J-YYBd. But these conductors have a higher cost, so it is better to use our conductor now, especially since it is in no way inferior in its main characteristics.

Cable Specifications

KSPV operates at 95% air humidity and at temperatures from −40 °C to 70 °C, being a universal conductor. Has a minimum bending radius of 10 outer diameters. It has copper conductors, but can be modified with aluminum ones. It has a vein diameter of 0.40-0.80 mm. By weight, depending on size, it ranges from 2.3 to 35.8 kg/km.

Standard Specifications

In terms of inductance, depending on the size and weight, it has an indicator of 0.90 to 0.9 mH/km. The cable also has additional protection that will help protect it in case of fire and other events. It has a 15-year service life in the calculation documentation. Maintains a voltage of no more than 250-300 V, having a cross-section of 0.12-0.35 mm.

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Specifications

Among the main technical characteristics, the following should be highlighted:

1. The operating temperature of the conductor ranges from -40 to +70 degrees, which makes it truly universal.
2. The maximum permissible air humidity is 95% at a temperature of 35 degrees.
3. The average service life is 15 years.
4. The minimum bending radius is 10 outer diameters.
5. The conductors are copper, but there are modifications with aluminum.
6. The diameter of the cores is from 0.40 to 0.80 mm.

You should also highlight several other important characteristics; in the table you will find: diameter, weight, size and other important parameters.

This table contains the main parameters of SPVP:

Here are the technical characteristics of the KSPEV cable.

KSPV cable structure

KSPV has a white polyvinyl chloride polymer shell. Some modifications contain additives that inhibit smoke emission and increase the resistance of an open flame. Available with several separate conductors.

The cable has a single-wire copper core with a diameter of 0.40 to 0.80 mm, special polyethylene insulation to ensure reliability and use for internal installation.

Cable structure

For your information! The KSPEV modification has an additional aluminum-plastic screen with a longitudinal drainage core made of tinned copper conductor.

Design

The conductor has single-wire copper strands that have a diameter of 0.40 to 0.80 mm. Between themselves, all conductors received special insulation made of polyethylene; it received additional protection in the form of PVC plastic. All this ensures reliability and allows the use of KSPV during internal installation.

Please pay attention! There is a modification of KSPV - this is the KSPEV cable. It received an additional screen, which is made of aluminum-plastic tape with a longitudinal drainage core made of tinned copper conductor. Other characteristics are the same.

Features of use

The wire can be unshielded or shielded. In the first case, the electrical capacity of the conductor is 60 nf/km, and in the second - 80 nf/km. To prevent the wire from being exposed to an electromagnetic field, it must be shielded with a thin layer of foil.

Home use

Note! Sometimes the cable already comes with a special longitudinal strip. The cores have a tinned conductor.

Application of screen in wire

KSPV wire can be unshielded or shielded. For the first option, the electrical capacity is 60 nf/km, for the shielded one - 80 nf/km. Electrical capacity is the ability of any conductor to accumulate electricity.

When a signal travels through a cable, it may be affected by various electromagnetic interference. To prevent this from happening, the wire is shielded. The screen is a thin layer of foil. Sometimes shielded wire is made with a special tape with a longitudinal strip. Special paper is also used for these purposes. The cores are made of tinned conductor.

In addition to the fact that the electromagnetic field of the shielded wire is protected from external interference, it has increased strength. Wire manufacturers must take into account GOST R 53769-2010, which regulates the use of plastic insulation and shielding.

The letter “E” in the KSPVE brand means that the wire is shielded.

How to choose the right KSPV cable

KSPV brand cable can be made of aluminum or copper. Copper is better because of its shelf life. This is of significant importance when changing lighting equipment. As for flexibility and rigidity, you need to choose a wire based on its purpose. Hard is used when laying in walls and ground. Flexible is used to connect maneuverable devices or electrical appliances.

Important! The flexible cable must be soldered or crimped with a special termination. In the case of a hard type, this procedure is not necessary.

Selection by material

When choosing a cable modification, you must take into account the intended purpose in combination with operating conditions. Technical parameters are determined with a margin to prevent damage or disruption of the functional state of the lines due to a powerful load or other external influences.

When considering the company's product range, you need to keep in mind the differences in designations. For example, if the abbreviation KSPV has an additional letter C, then this indicates the presence of a single-wire copper core and polyethylene conductor insulation, a common polyvinyl chloride sheath. Despite the fact that the parameters are similar, such a product will perform different functions.

The main difference between KSSPV will be the presence of a conductor twisting moment. This modification prevents the formation of electromagnetic interference when working with high-frequency signal pulses. This feature significantly increases the permissible frequency (up to 100 MHz) for using the cable in laying telephone lines and computer networks. Some models are needed to transmit a signal at a speed of 1000 MB.

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KSPV wire: description and technical characteristics

The definition of the word KSPV is as follows: a cable for a transmission system with a vinyl sheath.

A cable such as KSPV has single-wire copper conductors with a diameter of 0.40 to 0.80 mm; they are equipped with special insulation , which consists of polyethylene and is covered with a sheath based on white PVC plastic, which is needed for stationary internal installation.

The scope of application of KSPV is static internal wires of alarm systems, communication systems or local networks. The signal wire is a mandatory element during the installation of various types of fire or security alarms, or more complex automatic data processing systems.

The KSPV cable can be laid both from the inside and outside of buildings, but places exposed to direct sunlight should be avoided.

Key Specifications

This type of cable can be used in environmental conditions where the minimum temperature is 40 degrees below zero and the maximum is 70 degrees above zero, respectively. In conditions of installation bends, the acceptable temperature level is at least zero degrees, and with increased air humidity up to 98 percent - up to 35 degrees.

The minimum bending radius is 10 nominal outer diameters, and the product service life is at least 15 years.

Electrical characteristics for conductors with a diameter of 0.40 are 148, and for conductors with a diameter of 0.80 mm - 36, respectively. The electrical resistance of conductor insulation over a length of a kilometer at a temperature of 20 degrees is at least 6.5 thousand megohms.

The capacitance for unshielded cables of the core-core circuit is 60 nF per kilometer, and for shielded cables - 80 nF per kilometer, respectively.

How to use the KSPV marking cable

A cable marked KSPV must be used in accordance with the technical regulations from the manufacturer for the construction of information technology and signal lines, the creation of fire and security alarm systems.

Correct cable connection

Note! The wire is needed where it is necessary to solve various household and commercial technical problems, providing increased resistance to electromagnet fields and other unpleasant external influences.

What are the problems when using a cable?

Due to the weight, the cable may sag slightly. To do this, you need to prepare special supports for laying the conductor before work. A common problem is also related to improper cable handling, which damages the outer sheath layer and significantly reduces the functionality of the product.

Main problems of cable use

This requires compliance with the temperature operating conditions.

KSPV 4x2x0.50 pair twisted cable with single-wire copper conductors

twisted pair cable with single-wire copper conductors with insulation made of polyethylene composition, with a sheath of white PVC plastic compound, for internal fixed installation, up to 250 V AC. 4 pairs of pair twisted solid copper cores with a diameter of 0.5 mm

Cables of the KSPV, KSPEV brands are intended for installation of communication systems, alarms and telecommunications with operating voltages up to 250 V AC. Certificate of conformity KSPV - pair-twisted cable (the twisting pitch of pairs is different) with single-wire copper conductors with a diameter of 0.40, 0.50, 0.64, 0.80 mm, with insulation made of a polyethylene composition, with a sheath made of white PVC plastic, for internal fixed lining. KSPEV - cable twisted in pairs (the twisting pitch of pairs is different) with single-wire copper conductors with a diameter of 0.40, 0.50, 0.64, 0.80 mm, with insulation made of a polyethylene composition, the screen is made of aluminum-plastic tape with a longitudinal laying of the drainage conductor made of tinned copper conductor, with a sheath of white PVC plastic compound, for internal fixed lining

Basic electrical parameters

Cable design parameters

The table shows the nominal values. * - cable in coils of 500 meters, the rest of the cable in coils of 200 meters. ** - non-flammable material.

terms of Use

• Type of climatic modification (according to GOST 15150-69) - UHL and T placement categories 2, 3, 4.
• Environment - from minus 40°C to plus 60°C, in conditions of installation bends - up to 0°C, high air humidity - up to 98% at temperature - up to 35°C
• Minimum bending radius - 10 nominal outer cable diameters
• The minimum cable service life is 15 years.
• OKP codes (All-Russian Product Classifier: 35 8110.

Cable storage and transportation conditions

To preserve the cable product and its properties, you must strictly follow the manufacturer's standards. Storage conditions depend on the raw materials used to make the cable. According to the rules, all conductor and power cables must be stored in a ventilated area, under a canopy and in coils in a warehouse.

GShchST stipulates the rules for storing and transporting products. Facilities involved in the production of cables and wires follow these instructions.

Note! GOST also prescribes clear instructions for the type of packaging, shelf life and temperature conditions.

Storage and cable transportation

The cable should be stored in a bright, well-ventilated, dry room, away from flammable substances and mixtures. It is not recommended to store and transport the cable in a space with a temperature exceeding 23 °C. Also, do not leave products in the open sun. Tight twisting and bending of wires is prohibited.

Interpretation of cable markings of different types

We bring to your attention the decoding of the letters contained in the names of models and cable types:

• A – aluminum-based core;
• B – armored product;
• B – simple paper insulation:
• P – PVC-based insulation;
• PS - the presence of PVC-based insulation using self-extinguishing polyethylene;
• G – no insulation;
• ShV - the shell is flat in shape and made of PVC;
• PV – the shell contains PVC and vulcanized rubber;
• NG – the cable is not lit;
• R – rubber insulation;
• KG – flexible cable;
• BPI - wires equipped with a paper layer between the cores, which is impregnated with a non-flammable substance;
• F – power cord;
• C – insulation consists entirely of lead or contains lead in large quantities.

Thanks to these transcripts, it will be much easier for you to understand how to choose a particular cable for certain purposes and conditions. You will also be able to understand how one type of wire differs from another.

Manufacturers of KSPV brand cable

Cable brand KSPV is produced at Kolchuginsky, Pskovkabel and Energokabel. It is also sold everywhere in the form of modifications.

Kolchuginsky plant

The Kolchuginsky plant is a leading manufacturer of electrical conductors in the Russian Federation. It sells conductors for the oil industry, metallurgy, railways, and mechanical engineering.

Model of the Kolchuginsky plant

The KSPV cable is needed to connect mobile mechanisms to the network. Used for laying indoors and outdoors.

"Sevkabel"

TD "Sevkabel" is the first wire production plant in the Russian Federation. It produces modern and high-quality products for the coal mining industry, oil and gas sector and energy complexes.

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Model "Sevkabel"

Note! Each KSPV is created at the factory with a conductive copper core, a polyethylene terephthalate layer, rubber rubber insulation, a polyethylene terephthalate layer and a rubber rubber protective sheath.

"Pskovkabel"

JSC Pskovkabel produces conductive elements for the machine and tractor industries. The company is among the TOP 5 best companies. He has expensive equipment and modern technology.

Pskovkabel model

Therefore, Pskovkabel OJSC produces high-quality, safe, strong and durable KSPV with low gas and smoke emissions.

"Energokabel"

JSC Energokabel is one of the largest factories producing power, control cables and wires for fire safety systems. It has high-quality equipment for the production of KSPV and various modifications.

Model "Energokabel"

KSPV is a signal wire used in the creation of alarm, fire and security systems. According to technical characteristics, it has an improved structure. It can be used and connected everywhere according to standard safety rules without any problems. Selected based on criteria. Stored and transported according to regulations. Manufactured at Kolchuginsky, Pskovkabel, Energokabel.

PVS: general information and description

The name of this cable is deciphered as follows: connecting wire in a PVC sheath.

PVS wire belongs to the category of power products, it is used for such purposes as:

• production;
• household needs;
• electrification of entire settlements.

The predecessors of PVS were armored cables with double insulation and a flexible metal core. Thanks to them, at the beginning of the last century, it was possible to transmit electricity over long distances and support the operation of large industrial facilities of that time.

A modern PVA cable is equipped with polymer insulation for wiring and has two or more solid copper electrical cores wrapped in a special cotton or paper sheath, which, in turn, can be pre-treated with fire-resistant substances. In addition, the wire is often equipped with tar , so the threads do not rust. The following models are amenable to this processing:

• APPVS;
• SHVVP;
• PUGNP;
• VVG and others.

When used for a long time, the connecting cable equipped with rubber insulation becomes brittle due to exposure to atmospheric oxygen. It is necessary to check from time to time what condition it is in and carry out a number of preventive measures, for example, lubricating it with tar and other protective agents. To ensure that it serves you for the longest possible time, choose a wire with a rubber sheath, and not just PVC-based insulation.

There are also wires on sale with only rubber protection, but they are not used in everyday life or in production.

Applied metal: copper and aluminum

The design of this cable is practically no different from other wires with two or more cores. Thus, two strands or more are enclosed in insulation and intertwined with each other to create improved resistance and voltage transmission. PVA stranded wire, equipped with two or more threads, is used to transmit low signal voltage and when controlling devices that do not require high power:

• phone chargers;
• doorbells and much more.

An external type PVA copper wire conducts power and voltage from the transformer to the power contact in the room. It includes three stranded cables, one of which is copper and bare, and the other two are equipped with insulation on the voltage line. In order to ensure better safety, the ground wire may have a multi-core sheath , independent of the size of the outer insulation.

Copper conductors, which are present in almost every PVA wire, have the following properties:

• high level of current conduction;
• strength and ductility;
• excellent resistance;
• anti-corrosion coating;
• high coefficient of thermal expansion;
• easy to repair in terms of soldering;
• Compatible with resistors and insulators.

But aluminum ones are more profitable than copper ones due to their following characteristics:

• they hardly heat up during operation, which has a positive effect on the power and speed of electricity flow;
• have oxidation by oxides, which increases their service life;
• the possibility of electrification of hazardous industries;
• flexibility and no need to install special supports over long distances;
• lower cost compared to copper analogues.

PVS cables can withstand loads starting from 10 kV and can last at least ten years if used correctly. Such wires can withstand heat and cold perfectly , but we will return to the technical characteristics later.

It is worth noting that another undoubted advantage of the PVS cable is its sheath, made of fire-resistant material that does not burn even in a strong fire.

Construction and materials

Regardless of the type, this cable includes the following parts:

• current-carrying conductor, which is a round copper wire;
• PVC-based insulation, available in different colors;
• twisting - a set of twisted insulated cores without filler;
• the sheath is made of PVC plastic and is laid so that the gaps between the cores are filled from the inside, so the wire has a round shape.

Areas of application

Copper cables of this series are widely used. With their help, you can lay electricity both in a large factory and create a wiring layout in a small apartment, you can update the transformer wires, install a power plant and much more.

But cables equipped with aluminum threads have a narrower scope of use. With their help, current transmission is ensured in city lighting circuits. Thus, they are suitable for wiring in apartment buildings and industrial production, where there is a need for high current power.

But it is worth noting that, despite the fact that wiring in modern houses is mainly carried out on the basis of aluminum threads, copper is better suited for this purpose. And, due to aluminum wiring, short circuits, surges and oxidation of conductors often occur.

In addition, PVS cables are used for electrification of the following devices:

• household electrical appliances (refrigerator, vacuum cleaner, air conditioner, washing machine, etc.);
• gardening and gardening equipment;
• small-scale mechanization means;
• creation of extension cords.

In addition, PVS cable is used for internal wiring in buildings of various types. For this purpose, copper stranded conductors should be tinned in places where sockets or junction boxes are connected.

Key Specifications

The main technical characteristics of the PVS cable look like this:

• the wire can be used at temperatures ranging from forty degrees below zero to forty degrees above zero;
• the conductive copper core of the wire has a heating limit of 70 degrees;
• after keeping the cable in water at a temperature of about 20 degrees for an hour, it should be tested using an alternating voltage of 2 thousand W at a frequency of 50 Hz for 15 minutes;
• it is imperative to perform trouble-free operation for 5 thousand hours;
• the operating time of the wire for stationary electrical appliances is at least 12 thousand hours;
• the length of the PVS type construction cable is at least 50 meters;
• the average service life of a PVA wire is at least six years;
• when using the cable for stationary electrical devices, its service life is approximately ten years;
• PVA wire is resistant to mold;
• The electrical resistance of the cable over a distance of a kilometer is a maximum of 270 Ohms.

Average cost of a product in Russia and the CIS

The cost of PVS wire depends on its manufacturer, as well as the place of sale. So, if we take the wholesale cost of cable per meter, provided that it is purchased for at least 50 meters, then it will vary from 10 to 12 rubles per meter (for example, cities such as Yekaterinburg, St. Petersburg, Kiev, Kharkov, Minsk and other). Naturally, the final cost can be found at the points of sale of electrical equipment in your city.

It is advisable to choose a power-type PVA wire along with a plug if you plan to use it for home appliances. Before purchasing a product, be sure to ask the seller for a quality certificate and compare the specified values ​​of the device with compliance with these parameters, making a preliminary calculation of them. This will ensure maximum safety of the room where the cables will be installed.